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    1977 115 hp Throttle Question

    Hello Folks, I've been working on this motor for a few weeks now. With all the great help here it's almost purring like new. Went to the lake today for some testing regarding a rough idle and that issue has pretty much been resolved it seems. The issue I had was - after starting engine...
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    115 H.P. Spark Question

    If I do a spark gap test with all 4 plugs out I get 7/16 spark Then I put in the plugs and fire up the motor with the gap tester connected inline to one cylinder, and the spark is not consistent ? Maybe this is where my Idle miss is coming from but would it be coil or powerpack? On the water...
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    115 Johnson- Milky Nasty Exhaust Question

    Hello Folks, dropped lower unit to put in new seals and I'm finding this milky nasty sludge pretty much everywhere. Is this a head gasket or is it possibly just from leaking a little lower unit oil ??
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    1977 115 hp top seal question

    If I replace to top seal on the crank should I pull the bolts and also replace the large O-ring? ( Is that possible?) The engine set for 12 yrs and I know the lower unit seals are shot so I thought these most likely are also. Possibly causing my lean coughing condition at idle. All other...
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    1977 115hp spark / powerpack Question

    All 4 cylinders show good 7/16 gap spark but, #4 spark does miss some . I tested also with a simple light from powerpack #' 10, 11, 3, and 5. --- shows a dim light on my test light cranking the engine with good batt and plugs out. Question is can I check voltage out of the powerpack 3 5 10 and...
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    1977 Johnson 115 hp ETL Idle Question

    Hello, I have a johnson 115 hp 1977 that was my fathers. He passed and the boat set for 12 yrs. I finally got around to getting it out and seeing if it would run. Here is what I have done and I'm confident I'm so close, hopefully with a bit of help with some folks knowledgeable about this...
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